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目的：探讨循证护理预防ICU危重患者肠内营养支持并发症发生的作用效果。方法选取2015年3月～2015年12月我院ICU收治的危重患者766例，随机分为循证组和常规组，每组383例，两组患者均采用肠内营养支持，循证组实施循证护理方式，常规组给予常规护理，循证组实施循证护理方式，观察对比两组患者并发症发生的情况。结果常规组并发症的发生率为8.61%，循证组并发症的发生率为5.48%，两组比较，差异有统计学意义（P＜0.05）。结论循证护理能够有效降低ICU危重患者肠内营养支持并发症的发生率，加速患者康复的进程。“,”Objective: To explorer the effect of evidence-based care in prevention of complications of enternal nutrition for critical patients in ICU. Methods: Totals of 766 critical patients from March 2015 to December 2015 admitted into ICU in our hospital were enrolled and divided into the control group and the evidence-based group, with 383 cases in each group randomly. The control group was given the routine nursing, and the evidence-based group received the evidence-based care. And then complications were observed and compared between two groups. Results: the complication in the evidence-based group was lower than that of the control group (P<0.05). Conclusion: The corresponding evidence-based care for critical patients accepted by enternal nutrition support in ICU had an important role in reducing the incidence of complications and accelerating the process of rehabilitation of patients.